static int show_status(char **args, unsigned n) {
char buf[64];
struct boot_info *info;
int err;
err = boot_info_new(&info);
if (err < 0)
return -ENOMEM;
err = boot_info_query(info);
printf(" Machine ID: %s\n", sd_id128_to_string(info->machine_id, buf));
printf(" Boot ID: %s\n", sd_id128_to_string(info->boot_id, buf));
if (info->fw_type)
printf(" Firmware: %s (%s)\n", info->fw_type, strna(info->fw_info));
if (info->fw_entry_active >= 0) {
printf("Firmware entry: %s\n", strna(info->fw_entries[info->fw_entry_active].title));
if (info->fw_entries[info->fw_entry_active].path)
printf(" %s\n", info->fw_entries[info->fw_entry_active].path);
if (!sd_id128_equal(info->fw_entries[info->fw_entry_active].part_uuid, SD_ID128_NULL))
printf(" /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
SD_ID128_FORMAT_VAL(info->fw_entries[info->fw_entry_active].part_uuid));
}
if (info->loader) {
printf(" Loader: %s\n", info->loader);
printf(" %s\n", strna(info->loader_image_path));
if (!sd_id128_equal(info->loader_part_uuid, SD_ID128_NULL))
printf(" /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
SD_ID128_FORMAT_VAL(info->loader_part_uuid));
if (info->loader_entry_active >= 0) {
printf(" Loader entry: %s\n", strna(info->loader_entries[info->loader_entry_active].title));
printf(" %s\n", info->loader_entries[info->loader_entry_active].path);
}
printf("Loader options: %s\n", strna(info->loader_options_added));
} else
printf("No suitable data is provided by the boot manager. See:\n"
" http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface\n"
" http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec\n"
"for details.\n");
printf("\n");
boot_info_free(info);
return err;
}
int id128_write_fd(int fd, Id128Format f, sd_id128_t id, bool do_sync) {
char buffer[36 + 2];
size_t sz;
int r;
assert(fd >= 0);
assert(f < _ID128_FORMAT_MAX);
if (f != ID128_UUID) {
sd_id128_to_string(id, buffer);
buffer[32] = '\n';
sz = 33;
} else {
id128_to_uuid_string(id, buffer);
buffer[36] = '\n';
sz = 37;
}
r = loop_write(fd, buffer, sz, false);
if (r < 0)
return r;
if (do_sync) {
if (fsync(fd) < 0)
return -errno;
}
return r;
}
int main(int argc, char *argv[]) {
sd_id128_t bid;
char boot_id[SD_ID128_STRING_MAX];
_cleanup_free_ char *x = NULL, *y = NULL, *z = NULL, *zz = NULL;
assert_se(sd_id128_get_boot(&bid) >= 0);
sd_id128_to_string(bid, boot_id);
x = strjoin("/tmp/systemd-private-", boot_id, "-abcd.service-", NULL);
y = strjoin("/var/tmp/systemd-private-", boot_id, "-abcd.service-", NULL);
assert_se(x && y);
test_tmpdir("abcd.service", x, y);
z = strjoin("/tmp/systemd-private-", boot_id, "-sys-devices-pci0000:00-0000:00:1a.0-usb3-3\\x2d1-3\\x2d1:1.0-bluetooth-hci0.device-", NULL);
zz = strjoin("/var/tmp/systemd-private-", boot_id, "-sys-devices-pci0000:00-0000:00:1a.0-usb3-3\\x2d1-3\\x2d1:1.0-bluetooth-hci0.device-", NULL);
assert_se(z && zz);
test_tmpdir("sys-devices-pci0000:00-0000:00:1a.0-usb3-3\\x2d1-3\\x2d1:1.0-bluetooth-hci0.device", z, zz);
test_netns();
return 0;
}
static void test_condition_test_host(void) {
Condition *condition;
sd_id128_t id;
int r;
char sid[SD_ID128_STRING_MAX];
_cleanup_free_ char *hostname = NULL;
r = sd_id128_get_machine(&id);
assert_se(r >= 0);
assert_se(sd_id128_to_string(id, sid));
condition = condition_new(CONDITION_HOST, sid, false, false);
assert_se(condition_test(condition));
condition_free(condition);
condition = condition_new(CONDITION_HOST, "garbage value jjjjjjjjjjjjjj", false, false);
assert_se(!condition_test(condition));
condition_free(condition);
condition = condition_new(CONDITION_HOST, sid, false, true);
assert_se(!condition_test(condition));
condition_free(condition);
hostname = gethostname_malloc();
assert_se(hostname);
condition = condition_new(CONDITION_HOST, hostname, false, false);
assert_se(condition_test(condition));
condition_free(condition);
}
int boot_info_query(struct boot_info *info) {
char str[64];
char buf[64];
char *loader_active = NULL;
info->fw_secure_boot = is_efi_secure_boot();
info->fw_secure_boot_setup_mode = is_efi_secure_boot_setup_mode();
efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderInfo", &info->loader);
get_boot_entries(info);
if (info->fw_entries_count > 0) {
get_boot_order(info);
qsort(info->fw_entries, info->fw_entries_count, sizeof(struct boot_info_entry), entry_cmp);
find_active_entry(info);
}
efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderFirmwareType", &info->fw_type);
efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderFirmwareInfo", &info->fw_info);
efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderImageIdentifier", &info->loader_image_path);
tilt_slashes(info->loader_image_path);
efi_loader_get_device_part_uuid(&info->loader_part_uuid);
boot_loader_read_entries(info);
efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderEntrySelected", &loader_active);
if (loader_active) {
boot_loader_find_active_entry(info, loader_active);
free(loader_active);
}
snprintf(str, sizeof(str), "LoaderEntryOptions-%s", sd_id128_to_string(info->machine_id, buf));
efi_get_variable_string(EFI_VENDOR_LOADER, str, &info->loader_options_added);
return 0;
}
static int process_machine_id(void) {
const char *etc_machine_id;
char id[SD_ID128_STRING_MAX];
int r;
etc_machine_id = prefix_roota("/etc/machine-id");
if (faccessat(AT_FDCWD, etc_machine_id, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
return 0;
if (!arg_root)
return 0;
if (sd_id128_equal(arg_machine_id, SD_ID128_NULL))
return 0;
mkdir_parents(etc_machine_id, 0755);
r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id));
if (r < 0) {
log_error("Failed to write machine id: %s", strerror(-r));
return r;
}
log_info("%s written.", etc_machine_id);
return 0;
}
gboolean
gl_util_can_read_user_journal (void)
{
GFile *file;
GFileInfo *info;
gint ret;
gchar *path;
gchar ids[33];
gchar *filename;
gchar *uid;
uid_t user_id;
sd_id128_t machine;
GError *error = NULL;
GCredentials *credentials;
credentials = g_credentials_new ();
user_id = g_credentials_get_unix_user (credentials, &error);
if (error != NULL)
{
g_debug ("Unable to get uid: %s", error->message);
g_error_free (error);
}
uid = g_strdup_printf ("%d", user_id);
filename = g_strconcat ("/user-", uid, ".journal", NULL);
ret = sd_id128_get_machine (&machine);
if (ret < 0)
{
g_critical ("Error getting machine id: %s", g_strerror (-ret));
}
sd_id128_to_string (machine, ids);
path = g_build_filename ("/var/log/journal", ids, filename, NULL);
file = g_file_new_for_path (path);
info = g_file_query_info (file, G_FILE_ATTRIBUTE_ACCESS_CAN_READ,
G_FILE_QUERY_INFO_NONE, NULL, NULL);
g_free (uid);
g_free (path);
g_free (filename);
g_object_unref (file);
g_object_unref (credentials);
if (g_file_info_get_attribute_boolean (info,
G_FILE_ATTRIBUTE_ACCESS_CAN_READ))
{
g_object_unref (info);
return TRUE;
}
else
{
g_object_unref (info);
return FALSE;
}
}
int main(int argc, char *argv[]) {
sd_id128_t id, id2;
char t[33];
_cleanup_free_ char *b = NULL;
assert_se(sd_id128_randomize(&id) == 0);
printf("random: %s\n", sd_id128_to_string(id, t));
assert_se(sd_id128_from_string(t, &id2) == 0);
assert_se(sd_id128_equal(id, id2));
if (sd_booted() > 0) {
assert_se(sd_id128_get_machine(&id) == 0);
printf("machine: %s\n", sd_id128_to_string(id, t));
assert_se(sd_id128_get_boot(&id) == 0);
printf("boot: %s\n", sd_id128_to_string(id, t));
}
printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t));
assert_se(streq(t, STR_WALDI));
assert_se(asprintf(&b, SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 32);
printf("waldi2: %s\n", b);
assert_se(streq(t, b));
assert_se(sd_id128_from_string(UUID_WALDI, &id) >= 0);
assert_se(sd_id128_equal(id, ID128_WALDI));
assert_se(sd_id128_from_string("", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f101", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f10-", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a0b0c0d0e0f10", &id) < 0);
assert_se(sd_id128_from_string("010203040506-0708-090a-0b0c0d0e0f10", &id) < 0);
assert_se(id128_is_valid(STR_WALDI));
assert_se(id128_is_valid(UUID_WALDI));
assert_se(!id128_is_valid(""));
assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f101"));
assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f10-"));
assert_se(!id128_is_valid("01020304-0506-0708-090a0b0c0d0e0f10"));
assert_se(!id128_is_valid("010203040506-0708-090a-0b0c0d0e0f10"));
return 0;
}
static int driver_get_id(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
sd_id128_t server_id;
char buf[SD_ID128_STRING_MAX];
int r;
r = sd_bus_get_server_id(bus, &server_id);
if (r < 0)
return r;
return sd_bus_reply_method_return(m, "s", sd_id128_to_string(server_id, buf));
}
gboolean
gl_util_can_read_system_journal (GlJournalStorage storage_type)
{
GFile *file;
GFileInfo *info;
gint ret;
gchar *path;
gchar ids[33];
sd_id128_t machine;
ret = sd_id128_get_machine (&machine);
if (ret < 0)
{
g_critical ("Error getting machine id: %s", g_strerror (-ret));
}
sd_id128_to_string (machine, ids);
if (storage_type == GL_JOURNAL_STORAGE_PERSISTENT)
{
path = g_build_filename ("/var/log/journal", ids, "system.journal", NULL);
}
else if (storage_type == GL_JOURNAL_STORAGE_VOLATILE)
{
path = g_build_filename ("/run/log/journal", ids, "system.journal", NULL);
}
else
{
path = "/dev/null";
}
file = g_file_new_for_path (path);
info = g_file_query_info (file, G_FILE_ATTRIBUTE_ACCESS_CAN_READ,
G_FILE_QUERY_INFO_NONE, NULL, NULL);
g_free (path);
g_object_unref (file);
if (g_file_info_get_attribute_boolean (info,
G_FILE_ATTRIBUTE_ACCESS_CAN_READ))
{
g_object_unref (info);
return TRUE;
}
else
{
g_object_unref (info);
return FALSE;
}
}
static int process_machine_id(void) {
const char *etc_machine_id;
char id[SD_ID128_STRING_MAX];
int r;
etc_machine_id = prefix_roota(arg_root, "/etc/machine-id");
if (laccess(etc_machine_id, F_OK) >= 0)
return 0;
if (sd_id128_is_null(arg_machine_id))
return 0;
mkdir_parents(etc_machine_id, 0755);
r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id),
WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC);
if (r < 0)
return log_error_errno(r, "Failed to write machine id: %m");
log_info("%s written.", etc_machine_id);
return 0;
}
gboolean
gl_util_can_read_system_journal (void)
{
GFile *file;
GFileInfo *info;
gint ret;
gchar *path;
gchar ids[33];
sd_id128_t machine;
ret = sd_id128_get_machine (&machine);
if (ret < 0)
{
g_critical ("Error getting machine id: %s", g_strerror (-ret));
}
sd_id128_to_string (machine, ids);
path = g_build_filename ("/var/log/journal", ids, "system.journal", NULL);
file = g_file_new_for_path (path);
info = g_file_query_info (file, G_FILE_ATTRIBUTE_ACCESS_CAN_READ,
G_FILE_QUERY_INFO_NONE, NULL, NULL);
g_free (path);
g_object_unref (file);
if (g_file_info_get_attribute_boolean (info,
G_FILE_ATTRIBUTE_ACCESS_CAN_READ))
{
g_object_unref (info);
return TRUE;
}
else
{
g_object_unref (info);
return FALSE;
}
}
static int add_this_boot(sd_journal *j) {
char match[9+32+1] = "_BOOT_ID=";
sd_id128_t boot_id;
int r;
if (!arg_this_boot)
return 0;
r = sd_id128_get_boot(&boot_id);
if (r < 0) {
log_error("Failed to get boot id: %s", strerror(-r));
return r;
}
sd_id128_to_string(boot_id, match + 9);
r = sd_journal_add_match(j, match, strlen(match));
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
return r;
}
return 0;
}
/**
* Write up to size bytes to buf. Return negative on error, and number of
* bytes written otherwise. The last case is a kind of an error too.
*/
static ssize_t write_entry(char *buf, size_t size, Uploader *u) {
int r;
size_t pos = 0;
assert(size <= SSIZE_MAX);
while (true) {
switch(u->entry_state) {
case ENTRY_CURSOR: {
free(u->current_cursor);
u->current_cursor = NULL;
r = sd_journal_get_cursor(u->journal, &u->current_cursor);
if (r < 0)
return log_error_errno(r, "Failed to get cursor: %m");
r = snprintf(buf + pos, size - pos,
"__CURSOR=%s\n", u->current_cursor);
if (pos + r > size)
/* not enough space */
return pos;
u->entry_state ++;
if (pos + r == size) {
/* exactly one character short, but we don't need it */
buf[size - 1] = '\n';
return size;
}
pos += r;
} /* fall through */
case ENTRY_REALTIME: {
usec_t realtime;
r = sd_journal_get_realtime_usec(u->journal, &realtime);
if (r < 0)
return log_error_errno(r, "Failed to get realtime timestamp: %m");
r = snprintf(buf + pos, size - pos,
"__REALTIME_TIMESTAMP="USEC_FMT"\n", realtime);
if (r + pos > size)
/* not enough space */
return pos;
u->entry_state ++;
if (r + pos == size) {
/* exactly one character short, but we don't need it */
buf[size - 1] = '\n';
return size;
}
pos += r;
} /* fall through */
case ENTRY_MONOTONIC: {
usec_t monotonic;
sd_id128_t boot_id;
r = sd_journal_get_monotonic_usec(u->journal, &monotonic, &boot_id);
if (r < 0)
return log_error_errno(r, "Failed to get monotonic timestamp: %m");
r = snprintf(buf + pos, size - pos,
"__MONOTONIC_TIMESTAMP="USEC_FMT"\n", monotonic);
if (r + pos > size)
/* not enough space */
return pos;
u->entry_state ++;
if (r + pos == size) {
/* exactly one character short, but we don't need it */
buf[size - 1] = '\n';
return size;
}
pos += r;
} /* fall through */
case ENTRY_BOOT_ID: {
sd_id128_t boot_id;
char sid[33];
r = sd_journal_get_monotonic_usec(u->journal, NULL, &boot_id);
if (r < 0)
return log_error_errno(r, "Failed to get monotonic timestamp: %m");
r = snprintf(buf + pos, size - pos,
"_BOOT_ID=%s\n", sd_id128_to_string(boot_id, sid));
if (r + pos > size)
/* not enough space */
return pos;
u->entry_state ++;
if (r + pos == size) {
/* exactly one character short, but we don't need it */
buf[size - 1] = '\n';
return size;
}
pos += r;
} /* fall through */
case ENTRY_NEW_FIELD: {
u->field_pos = 0;
r = sd_journal_enumerate_data(u->journal,
&u->field_data,
&u->field_length);
if (r < 0)
return log_error_errno(r, "Failed to move to next field in entry: %m");
else if (r == 0) {
u->entry_state = ENTRY_OUTRO;
continue;
}
if (!utf8_is_printable_newline(u->field_data,
u->field_length, false)) {
u->entry_state = ENTRY_BINARY_FIELD_START;
continue;
}
u->entry_state ++;
} /* fall through */
case ENTRY_TEXT_FIELD:
case ENTRY_BINARY_FIELD: {
bool done;
size_t tocopy;
done = size - pos > u->field_length - u->field_pos;
if (done)
tocopy = u->field_length - u->field_pos;
else
tocopy = size - pos;
memcpy(buf + pos,
(char*) u->field_data + u->field_pos,
tocopy);
if (done) {
buf[pos + tocopy] = '\n';
pos += tocopy + 1;
u->entry_state = ENTRY_NEW_FIELD;
continue;
} else {
u->field_pos += tocopy;
return size;
}
}
case ENTRY_BINARY_FIELD_START: {
const char *c;
size_t len;
c = memchr(u->field_data, '=', u->field_length);
if (!c || c == u->field_data) {
log_error("Invalid field.");
return -EINVAL;
}
len = c - (const char*)u->field_data;
/* need space for label + '\n' */
if (size - pos < len + 1)
return pos;
memcpy(buf + pos, u->field_data, len);
buf[pos + len] = '\n';
pos += len + 1;
u->field_pos = len + 1;
u->entry_state ++;
} /* fall through */
case ENTRY_BINARY_FIELD_SIZE: {
uint64_t le64;
/* need space for uint64_t */
if (size - pos < 8)
return pos;
le64 = htole64(u->field_length - u->field_pos);
memcpy(buf + pos, &le64, 8);
pos += 8;
u->entry_state ++;
continue;
}
case ENTRY_OUTRO:
/* need space for '\n' */
if (size - pos < 1)
return pos;
buf[pos++] = '\n';
u->entry_state ++;
u->entries_sent ++;
return pos;
default:
assert_not_reached("WTF?");
}
}
assert_not_reached("WTF?");
}
int stub_pid1(sd_id128_t uuid) {
enum {
STATE_RUNNING,
STATE_REBOOT,
STATE_POWEROFF,
} state = STATE_RUNNING;
sigset_t fullmask, oldmask, waitmask;
usec_t quit_usec = USEC_INFINITY;
pid_t pid;
int r;
/* The new environment we set up, on the stack. */
char new_environment[] =
"container=systemd-nspawn\0"
"container_uuid=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
/* Implements a stub PID 1, that reaps all processes and processes a couple of standard signals. This is useful
* for allowing arbitrary processes run in a container, and still have all zombies reaped. */
assert_se(sigfillset(&fullmask) >= 0);
assert_se(sigprocmask(SIG_BLOCK, &fullmask, &oldmask) >= 0);
pid = fork();
if (pid < 0)
return log_error_errno(errno, "Failed to fork child pid: %m");
if (pid == 0) {
/* Return in the child */
assert_se(sigprocmask(SIG_SETMASK, &oldmask, NULL) >= 0);
setsid();
return 0;
}
reset_all_signal_handlers();
log_close();
close_all_fds(NULL, 0);
log_open();
/* Flush out /proc/self/environ, so that we don't leak the environment from the host into the container. Also,
* set $container= and $container_uuid= so that clients in the container that query it from /proc/1/environ
* find them set set. */
sd_id128_to_string(uuid, new_environment + sizeof(new_environment) - SD_ID128_STRING_MAX);
reset_environ(new_environment, sizeof(new_environment));
rename_process("STUBINIT");
assert_se(sigemptyset(&waitmask) >= 0);
assert_se(sigset_add_many(&waitmask,
SIGCHLD, /* posix: process died */
SIGINT, /* sysv: ctrl-alt-del */
SIGRTMIN+3, /* systemd: halt */
SIGRTMIN+4, /* systemd: poweroff */
SIGRTMIN+5, /* systemd: reboot */
SIGRTMIN+6, /* systemd: kexec */
SIGRTMIN+13, /* systemd: halt */
SIGRTMIN+14, /* systemd: poweroff */
SIGRTMIN+15, /* systemd: reboot */
SIGRTMIN+16, /* systemd: kexec */
-1) >= 0);
/* Note that we ignore SIGTERM (sysv's reexec), SIGHUP (reload), and all other signals here, since we don't
* support reexec/reloading in this stub process. */
for (;;) {
siginfo_t si;
usec_t current_usec;
si.si_pid = 0;
r = waitid(P_ALL, 0, &si, WEXITED|WNOHANG);
if (r < 0) {
r = log_error_errno(errno, "Failed to reap children: %m");
goto finish;
}
current_usec = now(CLOCK_MONOTONIC);
if (si.si_pid == pid || current_usec >= quit_usec) {
/* The child we started ourselves died or we reached a timeout. */
if (state == STATE_REBOOT) { /* dispatch a queued reboot */
(void) reboot(RB_AUTOBOOT);
r = log_error_errno(errno, "Failed to reboot: %m");
goto finish;
} else if (state == STATE_POWEROFF)
(void) reboot(RB_POWER_OFF); /* if this fails, fall back to normal exit. */
if (si.si_pid == pid && si.si_code == CLD_EXITED)
r = si.si_status; /* pass on exit code */
else
r = 255; /* signal, coredump, timeout, … */
goto finish;
}
if (si.si_pid != 0)
/* We reaped something. Retry until there's nothing more to reap. */
continue;
if (quit_usec == USEC_INFINITY)
r = sigwaitinfo(&waitmask, &si);
else {
struct timespec ts;
r = sigtimedwait(&waitmask, &si, timespec_store(&ts, quit_usec - current_usec));
}
if (r < 0) {
if (errno == EINTR) /* strace -p attach can result in EINTR, let's handle this nicely. */
continue;
if (errno == EAGAIN) /* timeout reached */
continue;
r = log_error_errno(errno, "Failed to wait for signal: %m");
goto finish;
}
if (si.si_signo == SIGCHLD)
continue; /* Let's reap this */
if (state != STATE_RUNNING)
continue;
/* Would love to use a switch() statement here, but SIGRTMIN is actually a function call, not a
* constant… */
if (si.si_signo == SIGRTMIN+3 ||
si.si_signo == SIGRTMIN+4 ||
si.si_signo == SIGRTMIN+13 ||
si.si_signo == SIGRTMIN+14)
state = STATE_POWEROFF;
else if (si.si_signo == SIGINT ||
si.si_signo == SIGRTMIN+5 ||
si.si_signo == SIGRTMIN+6 ||
si.si_signo == SIGRTMIN+15 ||
si.si_signo == SIGRTMIN+16)
state = STATE_REBOOT;
else
assert_not_reached("Got unexpected signal");
/* (void) kill_and_sigcont(pid, SIGTERM); */
quit_usec = now(CLOCK_MONOTONIC) + DEFAULT_TIMEOUT_USEC;
}
finish:
_exit(r < 0 ? EXIT_FAILURE : r);
}
static int lldp_send_packet(
int ifindex,
const struct ether_addr *address,
const void *packet,
size_t packet_size) {
union sockaddr_union sa = {
.ll.sll_family = AF_PACKET,
.ll.sll_protocol = htobe16(ETHERTYPE_LLDP),
.ll.sll_ifindex = ifindex,
.ll.sll_halen = ETH_ALEN,
};
_cleanup_close_ int fd = -1;
ssize_t l;
assert(ifindex > 0);
assert(address);
assert(packet || packet_size <= 0);
memcpy(sa.ll.sll_addr, address, ETH_ALEN);
fd = socket(PF_PACKET, SOCK_RAW|SOCK_CLOEXEC, IPPROTO_RAW);
if (fd < 0)
return -errno;
l = sendto(fd, packet, packet_size, MSG_NOSIGNAL, &sa.sa, sizeof(sa.ll));
if (l < 0)
return -errno;
if ((size_t) l != packet_size)
return -EIO;
return 0;
}
static int link_send_lldp(Link *link) {
char machine_id_string[SD_ID128_STRING_MAX];
_cleanup_free_ char *hostname = NULL, *pretty_hostname = NULL;
_cleanup_free_ void *packet = NULL;
size_t packet_size = 0;
sd_id128_t machine_id;
uint16_t caps;
usec_t ttl;
int r;
assert(link);
if (!link->network || link->network->lldp_emit == LLDP_EMIT_NO)
return 0;
assert(link->network->lldp_emit < _LLDP_EMIT_MAX);
r = sd_id128_get_machine(&machine_id);
if (r < 0)
return r;
(void) gethostname_strict(&hostname);
(void) parse_env_file("/etc/machine-info", NEWLINE, "PRETTY_HOSTNAME", &pretty_hostname, NULL);
assert_cc(LLDP_TX_INTERVAL_USEC * LLDP_TX_HOLD + 1 <= (UINT16_MAX - 1) * USEC_PER_SEC);
ttl = DIV_ROUND_UP(LLDP_TX_INTERVAL_USEC * LLDP_TX_HOLD + 1, USEC_PER_SEC);
caps = (link->network && link->network->ip_forward != ADDRESS_FAMILY_NO) ?
SD_LLDP_SYSTEM_CAPABILITIES_ROUTER :
SD_LLDP_SYSTEM_CAPABILITIES_STATION;
r = lldp_make_packet(link->network->lldp_emit,
&link->mac,
sd_id128_to_string(machine_id, machine_id_string),
link->ifname,
(uint16_t) ttl,
link->network ? link->network->description : NULL,
hostname,
pretty_hostname,
SD_LLDP_SYSTEM_CAPABILITIES_STATION|SD_LLDP_SYSTEM_CAPABILITIES_BRIDGE|SD_LLDP_SYSTEM_CAPABILITIES_ROUTER,
caps,
&packet, &packet_size);
if (r < 0)
return r;
return lldp_send_packet(link->ifindex, lldp_multicast_addr + link->network->lldp_emit, packet, packet_size);
}
int main(int argc, char *argv[]) {
sd_id128_t id, id2;
char t[33], q[37];
_cleanup_free_ char *b = NULL;
_cleanup_close_ int fd = -1;
assert_se(sd_id128_randomize(&id) == 0);
printf("random: %s\n", sd_id128_to_string(id, t));
assert_se(sd_id128_from_string(t, &id2) == 0);
assert_se(sd_id128_equal(id, id2));
if (sd_booted() > 0) {
assert_se(sd_id128_get_machine(&id) == 0);
printf("machine: %s\n", sd_id128_to_string(id, t));
assert_se(sd_id128_get_boot(&id) == 0);
printf("boot: %s\n", sd_id128_to_string(id, t));
}
printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t));
assert_se(streq(t, STR_WALDI));
assert_se(asprintf(&b, SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 32);
printf("waldi2: %s\n", b);
assert_se(streq(t, b));
printf("waldi3: %s\n", id128_to_uuid_string(ID128_WALDI, q));
assert_se(streq(q, UUID_WALDI));
b = mfree(b);
assert_se(asprintf(&b, ID128_UUID_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 36);
printf("waldi4: %s\n", b);
assert_se(streq(q, b));
assert_se(sd_id128_from_string(STR_WALDI, &id) >= 0);
assert_se(sd_id128_equal(id, ID128_WALDI));
assert_se(sd_id128_from_string(UUID_WALDI, &id) >= 0);
assert_se(sd_id128_equal(id, ID128_WALDI));
assert_se(sd_id128_from_string("", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f101", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f10-", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a0b0c0d0e0f10", &id) < 0);
assert_se(sd_id128_from_string("010203040506-0708-090a-0b0c0d0e0f10", &id) < 0);
assert_se(id128_is_valid(STR_WALDI));
assert_se(id128_is_valid(UUID_WALDI));
assert_se(!id128_is_valid(""));
assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f101"));
assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f10-"));
assert_se(!id128_is_valid("01020304-0506-0708-090a0b0c0d0e0f10"));
assert_se(!id128_is_valid("010203040506-0708-090a-0b0c0d0e0f10"));
fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
/* First, write as UUID */
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(id128_write_fd(fd, ID128_UUID, id, false) >= 0);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
/* Second, write as plain */
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(ftruncate(fd, 0) >= 0);
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(id128_write_fd(fd, ID128_PLAIN, id, false) >= 0);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
/* Third, write plain without trailing newline */
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(ftruncate(fd, 0) >= 0);
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(write(fd, sd_id128_to_string(id, t), 32) == 32);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
/* Third, write UUID without trailing newline */
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(ftruncate(fd, 0) >= 0);
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(write(fd, id128_to_uuid_string(id, q), 36) == 36);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
return 0;
}
static int show_status(char **args, unsigned n) {
char buf[64];
struct boot_info *info;
int err;
err = boot_info_new(&info);
if (err < 0)
return -ENOMEM;
err = boot_info_query(info);
printf("System:\n");
printf(" Machine ID: %s\n", sd_id128_to_string(info->machine_id, buf));
printf(" Boot ID: %s\n", sd_id128_to_string(info->boot_id, buf));
if (info->fw_type)
printf(" Firmware: %s (%s)\n", info->fw_type, strna(info->fw_info));
if (info->fw_secure_boot >= 0)
printf(" Secure Boot: %s\n", info->fw_secure_boot ? "enabled" : "disabled");
if (info->fw_secure_boot_setup_mode >= 0)
printf(" Setup Mode: %s\n", info->fw_secure_boot_setup_mode ? "setup" : "user");
printf("\n");
if (info->fw_entry_active >= 0) {
printf("Selected Firmware Entry:\n");
printf(" Title: %s\n", strna(info->fw_entries[info->fw_entry_active].title));
if (!sd_id128_equal(info->fw_entries[info->fw_entry_active].part_uuid, SD_ID128_NULL))
printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
SD_ID128_FORMAT_VAL(info->fw_entries[info->fw_entry_active].part_uuid));
else
printf(" Partition: n/a\n");
if (info->fw_entries[info->fw_entry_active].path)
printf(" File: %s%s\n", draw_special_char(DRAW_TREE_RIGHT), info->fw_entries[info->fw_entry_active].path);
}
printf("\n");
if (info->loader) {
printf("Boot Loader:\n");
printf(" Product: %s\n", info->loader);
if (!sd_id128_equal(info->loader_part_uuid, SD_ID128_NULL))
printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
SD_ID128_FORMAT_VAL(info->loader_part_uuid));
else
printf(" Partition: n/a\n");
printf(" File: %s%s\n", draw_special_char(DRAW_TREE_RIGHT), strna(info->loader_image_path));
printf("\n");
if (info->loader_entry_active >= 0) {
printf("Selected Boot Loader Entry:\n");
printf(" Title: %s\n", strna(info->loader_entries[info->loader_entry_active].title));
printf(" File: %s\n", info->loader_entries[info->loader_entry_active].path);
if (info->loader_options_added)
printf(" Options: %s\n", info->loader_options_added);
}
} else
printf("No suitable data is provided by the boot manager. See:\n"
" http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface\n"
" http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec\n"
"for details.\n");
printf("\n");
boot_info_free(info);
return err;
}
